Bicycle



1.1 is a front elevation view of a bicycle showing my new design;

1.2 is a bottom plan view thereof;

1.3 is a rear elevation view thereof;

1.4 is a top plan view thereof;

1.5 is a left side elevation view thereof;

1.6 is a right side elevation view thereof;

1.7 is a top, front, and left side perspective view thereof; and

1.8 is a top, front, and left side perspective view thereof in a folded state.

Portions of the bicycle shown in broken lines form no part of the claimed design. 

CLAIM The ornamental design for a bicycle, as shown and described. 